42053404 has 6 divisors (see below), whose sum is σ = 73593464. Its totient is φ = 21026700.

The previous prime is 42053387. The next prime is 42053419. The reversal of 42053404 is 40435024.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5256672 + ... + 5256679.

Almost surely, 2^42053404 is an apocalyptic number.

It is an amenable number.

42053404 is a deficient number, since it is larger than the sum of its proper divisors (31540060).

42053404 is a wasteful number, since it uses less digits than its factorization.

42053404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10513355 (or 10513353 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 42053404 is about 6484.8595975549. The cubic root of 42053404 is about 347.7499304436.

Adding to 42053404 its reverse (40435024), we get a palindrome (82488428).

It can be divided in two parts, 420 and 53404, that added together give a square (53824 = 232²).

The spelling of 42053404 in words is "forty-two million, fifty-three thousand, four hundred four".